Feb 08, 2013 · Java tutorial to troubleshoot and fix java.net.ConnectException: Connection refused: connect exception, which is quite common in client server architecture and comes, when clients tries to make TCP connection and either server is down or host port information is not correct. install-kubectl.ps1 [folder_location] Just allow sometime to run few commands, and automatically execute the “kubectl.exe version” command. In my instance, as I specified the folder my kubectl.exe file will be located in the created folder, which is “C:\kubectl“. My “config” file located is located in my user account folder. Oct 16, 2020 · “The connection to the server localhost:8080 was refused – did you specify the right host or port?” when running “kubectl get nodes”, or any kubectl cmd from a worker node. This helped me solve this. Basically, looks like need to login to the cluster from the worker before running kubectl cmd: Sep 19, 2019 · Create the HPA using the kubectl autoscale command: kubectl autoscale deployment web--max=4 --cpu-percent=80 This command creates the HPA for your web deployment. It also uses the --max flag to set the max replicas that web can be scaled to, which in this case you set as 4.